GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Enclave 🢒 Engine 🢒 Engine Controls and Fuel - 2.8L, 3.0L, 3.2L, or 3.6L 🢒 Knock Sensor Replacement - Bank 2

Removal Procedure

    Object Number: 1860484 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the engine oil filter. Refer to Engine Oil and Oil Filter Replacement .
  3. Lower the vehicle.
  4. Disconnect the engine wiring harness electrical connector (2) from the bank 2 knock sensor (3).

    5. Object Number: 860802 Size: SH
  5. Loosen the knock sensor bolt and remove the knock sensor.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 860802 Size: SH
  1. Position the knock sensor and tighten the knock sensor bolt.

    2. Tighten
    Tighten the bolt to 23 N·m (17 lb ft).


    Object Number: 1860484 Size: SH
  2. Connect the engine wiring harness electrical connector (2) to the bank 2 knock sensor (3).
  3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Install a NEW engine oil filter. Refer to Engine Oil and Oil Filter Replacement .
  5. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .